diff --git a/src/view/pages/signal_reducing.rs b/src/view/pages/signal_reducing.rs
index ab00a2b..0a6dd3b 100644
--- a/src/view/pages/signal_reducing.rs
+++ b/src/view/pages/signal_reducing.rs
@@ -1,7 +1,5 @@
-use glib::property::PropertyGet;
 use gtk4 as gtk;
-use gtk4::prelude::WidgetExt;
-use std::{str::FromStr, time::Duration};
+use std::{str::FromStr, sync::Arc, time::Duration};
 
 use crate::{
     event_handlers::button_event_handlers::BtnEventHandler,
@@ -68,10 +66,7 @@ pub fn signal_reducing_page(wrapper: &Box) {
 
     let calculate_button = Button::builder().label("Расчитать").build();
 
-    // TODO: Make asynchronious auto-hide info bar.
-    let test = InfoBar::get_instance();
-
-    // let (tx, rx) = std::sync::mpsc::channel::<bool>();
+    let info_bar: Arc<InfoBar> = Arc::new(InfoBar::get_instance());
 
     EventHandler::new(calculate_button.clone(), move |_| {
         let mut values: [f64; 6] = [0f64; 6];
@@ -91,23 +86,19 @@ pub fn signal_reducing_page(wrapper: &Box) {
             if let Ok(value) = try_extract_value {
                 values[i] = value;
             } else {
-                test.set_text_label(Some("Вы ввели некорректное значение поля."));
-                test.set_reveal_child(true);
-                // TODO: Make asynchronious auto-hide info bar.
-                // let transmitter = tx.clone();
-                //
-                // gio::spawn_blocking(move || {
-                //     std::thread::sleep(Duration::from_secs(5));
-                //     transmitter.send(false).unwrap();
-                // });
-                //
-                // test.set_reveal_child(rx.recv().unwrap());
+                info_bar.set_text_label(Some("Вы ввели некорректное значение поля."));
+                info_bar.set_reveal_child(true);
 
-                println!("Вы ввели некорректное значение поля.");
-                return;
+                let info_bar_reference = info_bar.clone();
+
+                gio::spawn_blocking(move || {
+                    std::thread::sleep(Duration::from_secs(5));
+                    info_bar_reference.set_reveal_child(false);
+                });
+
+                break;
             }
         }
-        println!("{:?}", values);
     })
     .on_click();